/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/GameplayCueManager.h
This handles the case where GameplayCueNotifications have changed between sessions, which is possible in editor.
virtual void ReloadObjectLibrary ( [UWorld](API\Runtime\Engine\Engine\UWorld) * World, const [UWorld::InitializationValues](API\Runtime\Engine\Engine\UWorld\InitializationValues) IVS )